package com.tensquare.user.interceptor;

import io.jsonwebtoken.Claims;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import org.springframework.web.servlet.HandlerInterceptor;
import util.JwtUtil;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

@Component
public class JwtInterceptor implements HandlerInterceptor {


    @Autowired
    private JwtUtil jwtUtil;

    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) {
        System.out.println("拦截过");
        String header = request.getHeader("Authorization");

        if (header!=null && !"".equals(header)){
            //如果包含authorization的头信息，就对其进行解析
            if (header.startsWith("Bearer ")){
                String token = header.substring(7);
                try {
                    Claims claims = jwtUtil.parseJWT(token);
                   String roles=(String) claims.get("roles");

                   if (roles!=null && roles.equals("admin")){
                       request.setAttribute("claims_admin",token);
                   }
                   if (roles!=null && roles.equals("user")) {
                       request.setAttribute("claims_user", token);
                   }

                }catch (Exception e){
                    throw new RuntimeException("令牌不正确！");
                }

            }
        }


        return true;
    }
}
